#183C28#183C28

#183C28 is a dark, muted green. Relative luminance 0.036; OKLCH L 32.3% C 0.055 H 156.9°. Best body text is #FFFFFF at 12.24:1 contrast (WCAG AA passes).

Color values

HEX	#183C28
RGB	rgb(24, 60, 40)
HSL	hsl(147, 43%, 16%)
HSV	hsv(147, 60%, 24%)
CMYK	cmyk(60%, 0%, 33.3%, 76.5%)
CIE-LAB	lab(22.23, -18.59, 8.52)
CIE-LCH	lch(22.23, 20.45, 155.38°)
OKLab	oklab(32.3% -0.0508 0.0216)
OKLCH	oklch(32.3% 0.055 156.9)
XYZ	xyz(2.3754, 3.5789, 2.5727)
Luminance	0.0358 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#183C28 #3C182C

analogous

#1A3C18 #183C28 #183C3A

triadic

#183C28 #28183C #3C2818

tetradic

#183C28 #181A3C #3C182C #3C3A18

square

#183C28 #181A3C #3C182C #3C3A18

split-complementary

#183C28 #3A183C #3C181A

monochromatic

#09160F #09160F #183C28 #296845 #3B9362

Accessibility & contrast

On white

12.24

#183C28 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.72

#183C28 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #183C28

12.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##183C28	#FFFFFF	#000000	##FFFFFF
##183C28	1.00	12.24	1.72	12.24
#FFFFFF	12.24	1.00	21.00	1.00
#000000	1.72	21.00	1.00	21.00
##FFFFFF	12.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C3727

Deuteranopia (green-blind)

#363429

Tritanopia (blue-blind)

#0E3C37

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #183c28;
/* rgb */ color: rgb(24, 60, 40);
/* oklch */ color: oklch(32.3% 0.055 156.9);

Tailwind

colors: {
  custom: {
    50: '#587262',
    500: '#183c28',
    950: '#000000',
  },
}

SCSS

$custom: #183c28;
$custom-light: #587262;
$custom-dark: #000000;

JSON

{
  "hex": "#183c28",
  "rgb": {
    "r": 24,
    "g": 60,
    "b": 40
  },
  "hsl": {
    "h": 146.667,
    "s": 42.857,
    "l": 16.471
  },
  "oklch": {
    "l": 0.32304,
    "c": 0.05525,
    "h": 156.9
  },
  "luminance": 0.03579
}

Semantic roles & 50–950 ramp

primary

#183C28

secondary

#723E5B

accent

#559BD3

background

#F5F6F5

surface

#E9ECEA

border

#C5C7C6

text

#030805

muted

#787B79

Preview Lab

Preview with #183C28

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →